6th century – The game chaturanga probably evolved into its current form around this time in India.
569 – A Chinese emperor wrote a book of xiangqi, Xiang Jing, in AD 569.
c. 600 – The Karnamuk-i-Artakhshatr-i-Papakan contains references to the Persian game of shatranj, the direct ancestor of modern Chess. shatranj was initially called "Chatrang" in Persian (named after the Indian version), which was later renamed to shatranj.
c. 720 – Chess spreads across the Islamic world from Persia.
1474 – William Caxton publishes The Game and Playe of Chesse, the first chess book in English.
1475–1525 – Castling and the modern moves for the queen and bishop are slowly adopted.
1475 – Scachs d'amor the first published game of modern chess, written as a poem.
1493 - Hartmann Schedel publishes the Nuremberg Chronicle. It mentions the invention of chess by the philosopher Xerxes in Babylon during the rule of Evil-Merodach, the son of Nebuchadrezzar and illustrates the citation with a woodcut of Xerxes.
1497 – Luis Ramirez Lucena publishes the earliest surviving work on the modern European game.
1510 – Marco Girolamo Vida wrote Scacchia ludus (The Game of Chess) with the first reference to a goddess of chess.
1512 – Pedro Damiano publishes one of the first chess treatises, Questo libro e da imparare giocare a scachi et de li partiti
1561 – Ruy López coins the word gambit to describe opening sacrifices.
1690 – Openings are now systematically classified by the Traite de Lausanne.
1769 – Baron Wolfgang von Kempelen builds the Mechanical Turk, a fake chess-playing humanoid "machine" in fact operated secretly by a human.
1783 – Philidor plays as many as three games simultaneously without seeing the board.
19th century
1802 – Earliest known American chess book, Chess Made Easy by J. Humphreys is published.
1813 – The Liverpool Mercury prints the world's earliest chess column.
1824 – Earliest known British correspondence chess match, London – Edinburgh is held.
1830 – Earliest recorded instance of a modern female chess player.
1834 – Earliest recorded international challenge match is held: Alexander McDonnell (Ireland) versus Louis de la Bourdonnais(France) at the Westminster Chess Club, London.
1857 – The United Kingdom Chess Association is formed.
1858 – The California Chess Congress is held in San Francisco, won by Selim Franklin
1859 – Paul Morphy is declared unofficial world champion after two years of international play against the world's leading players in the USA and Europe. However, he was unable to secure even a single game against Staunton.
1861 – Games are played via transoceanic cables (Dublin–Liverpool).
1867 – Mechanical game clocks are introduced in tournament play.
1870 – Earliest recorded tournament in Germany (Baden-Baden).
1871 – Durand publishes the first book on endgames.
1873 – The Neustadtl score system is first used in a tournament.
1913 – The grasshopper is the first fairy piece invented, having its origin in the Renaissance "leaping queen".
1919 – Capablanca gives a simultaneous in the House of Commons against 39 players.
1921 – The first British correspondence chess championship is held.
1921 – Capablanca defeats Lasker in Havana +4 −0 =10 to become the third official world champion. However, Lasker had resigned the title to Capablanca in 1920 and the match participants had agreed that Capablanca was the defending champion in the match.
1924 – Establishment of Fédération Internationale des Échecs (FIDE), the international chess federation.
1924 – Staunton set officially adopted by FIDE.
1927 – The first official Chess Olympiad is held in London.
1927 – Alexander Alekhine defeats Capablanca at Buenos Aires with +6 −3 =25 to become the fourth official world champion.
1935 – Max Euwe(Netherlands) wins the world championship title from Alekhine in Zandvoort, the Netherlands +9 −8 =13 and becomes the fifth official world champion.
1937 – A record for simultaneous blindfold play against 34 opponents.
1937 – Alekhine regains his champion title from Euwe in The Netherlands +10 −4 =11.
1941 – Basic Chess Endings by Reuben Fine published.
1945 – USA vs USSR radio match is the first international sporting event after World War II. The USSR scores an overwhelming victory.
1946 – Reigning world champion Alekhine dies in Portugal, leaving the title vacant. FIDE moves to gain control of the world championship.
1947 – The first postage stamp with a chess motif was printed by Bulgaria.
1948 – Mikhail Botvinnik(Soviet Union) wins the 1948 World Chess Championship tournament, which was held jointly at the Hague (in the Netherlands) and Moscow. He becomes the sixth official world champion.
1949 – Claude Shannon speculates on how computers might play chess.
1950 – FIDE introduces the International Grandmaster (GM) and International Master (IM) lifetime titles to indicate chess achievement.
1952 – The Soviet Union begins its string of Chess Olympiad victories.
1953 – Vasily Smyslov(Soviet Union) wins the Candidates Tournament at Zurich.
1954 – Botvinnik retains his title after the World Championship match with challenger Smyslov ends in a 12–12 tie.
1956 – Smyslov wins the Candidates Tournament in Amsterdam. Paul Keres(Soviet Union) finishes second.
1957 – Smyslov defeats Botvinnik by the score 12½–9½ and becomes the seventh official world champion.
1958 – Botvinnik defeats Smyslov in a rematch by the score 12½–10½ to regain the title.
1958 – Bobby Fischer(USA) qualifies for the 1959 Candidates Match, becoming the youngest ever Grandmaster. This record would stand until 1991.
1959 – Mikhail Tal(Soviet Union) wins the Candidates Tournament in Yugoslavia. Keres finishes second.
1960 – Tal defeats Botvinnik +6 −2 =13 to become the eighth official world champion and the then youngest-ever world champion.
1961 – Botvinnik defeats Tal in a rematch by the score +10 −5 =6 to regain the title.
1962 – Tigran Petrosian(Soviet Union) wins the Candidates Tournament in Curaçao, going through the tournament without a defeat. Keres finishes second in a Candidates Tournament for the third consecutive time.
1963 – Petrosian defeats Botvinnik 12½–9½ to become the ninth World Chess Champion.
1966 – Petrosian successfully defends his World Championship title against Spassky, 12½–11½.
1967 – Bent Larsen(Denmark) wins the Sousse Interzonal after Fischer withdraws after ten games while leading with 8½ points. Larsen also wins the first Chess Oscar.
1969 – Spassky defeats Petrosian 12½–11½ to become the tenth World Chess Champion.
1970 – Fischer wins the Palma de Mallorca Interzonal 3½ points ahead of his nearest rival.
1971 – Fischer blazes through his Candidates Matches, defeating Mark Taimanov and Larsen each 6–0, and Petrosian by 6½–2½. Fischer establishes a 20-game winning streak in 1970 and 1971.
1972 – Fischer beats Spassky in the World Chess Championship 1972 12½–8½. Due to its status as Cold War sporting confrontation, the match receives worldwide publicity.
1975 – Anatoly Karpov(Soviet Union) becomes the twelfth World Champion without having defeated the reigning champion as Fischer forfeits his crown.
1978 – Gaprindashvili becomes the first woman to receive the FIDE Grandmaster title.
1978 – FIDE Master (FM) introduced as a title below International Master.
1978 – First Sargon (chess) chess-playing software for personal computers introduced at the 1978 West Coast Computer Faire.
1981 – Karpov convincingly defeats challenger Viktor Korchnoi six wins to two to retain the World Championship.
1984 – In a controversial decision, the FIDE president abandons the World Championship match between defending champion Karpov and challenger Garry Kasparov(Soviet Union) after 48 games, with Karpov leading 5–3.
1985 – Kasparov defeats Karpov to become the thirteenth World Chess Champion 13–11.
1986 – The musical Chess opens in London's West End.
1991 – Judit Polgár(Hungary) becomes the youngest ever Grandmaster, breaking Bobby Fischer's record by about a month.
1992 – Fischer beats Spassky in a match in FR Yugoslavia in a rematch of the 1972 World Championship.
1996 – Deep Blue beats Kasparov in the first game won by a chess-playing computer against a reigning world champion under normal chess tournament conditions. Kasparov recovers to win the match 4–2 (three wins, one loss, two draws).
1997 – Kasparov loses a rematch to chess supercomputer Deep Blue (2½–3½), becoming the first World Champion to lose a match to a computer.
1999 – Kasparov plays and wins against "the World" whose moves were determined by plurality of votes via the Internet.
2000 – Kasparov loses his title to Vladimir Kramnik(Russia) (8½–6½). Kramnik becomes the PCA World Chess Champion.
21st century
2001 – FIDE introduces shortened time controls for the knockout world championship held later that year, amid controversy.
2002 – Sergey Karjakin(Russia) becomes the youngest ever Grandmaster at age 12 years and 7 months.
2003 – In two separate matches, Kasparov battles Deep Junior and X3D Fritz to draws. These would be the last notable human–computer chess matches that did not result in victory for the computer.
2006 – World Chess Championship reunited when "Classical" (technically, first PCA then Braingames) World Champion Kramnik defeats FIDE World Champion Topalov in the FIDE World Chess Championship 2006 match.
2007 – Viswanathan Anand(India) becomes the fifteenth World Chess Champion after winning the World Chess Championship 2007 tournament held in Mexico City. Anand finished the tournament with a score of 9/14 (+4 −0 =10).
2009 – Eighteen-year-old Magnus Carlsen(Norway) wins the super-grandmaster (Category 21) Nanjing Pearl Spring Tournament, scoring an undefeated 8–2 in the double round robin event. Carlsen's performance rating for the tournament is 3002, one of the highest in history, and his rating goes over 2800, making him the fifth player (and by far the youngest) to attain that rating level.
2009 – Kasparov and Karpov play each other once more, as a commemoration of their World Championship Match 25 years ago.
2012 – Carlsen achieves an Elo rating of 2861, surpassing Kasparov's record of 2851. Anand successfully defends his world title against Gelfand.
2013 – Carlsen defeats Anand to become the new world champion.
2014 – Carlsen reaches his top Elo rating of 2882, the highest in history, in May.
2014 – Carlsen successfully defends his title of World Champion in a match against Anand, who had won the Candidates Tournament.
2016 – Carlsen successfully defends his World Champion title against Karjakin (who had won the Candidates Tournament in Moscow in March) by winning rapid tiebreak games after drawing a 12-game classical-game match.